Ctrl+K

Apex, subdomain, or URL. We figure it out.

Results for

chalmers.se

01Overview 02DNS 03WHOIS 04Subdomains 05Email 06TLS

Loading domain report

Tools

DNS Lookup
WHOIS Lookup
RDAP Lookup
Subdomain Finder
Email Security Check
SSL and TLS Certificate Checker

digga is open source under AGPL 3.0.

Fetching the TLS certificate

TLS certificate

The certificate is trusted and in date.

Valid53 days left

Certificate

Issuer: YE1 (Let's Encrypt)
Subject: www.chalmers.se

Validity

Valid from: Jun 18, 2026
Valid to: Sep 16, 2026

Connection

Protocol: TLSv1.3
Key: ECDSA prime256v1
Cipher: TLS_AES_256_GCM_SHA384 (TLSv1.3)

Subject alternative names (11)

chalmers.eu
chalmers.se
doctoral.portal.chalmers.se
gts.chalmers.se
student-portal.ita.chalmers.se
student.portal.chalmers.se
studentportal.chalmers.se
www-prod-ha.ita.chalmers.se
www.chalmers.eu
www.chalmers.se

Chain

01
www.chalmers.se
issued by YE1 (Let's Encrypt)
02
YE1 (Let's Encrypt)
issued by Root YE (ISRG)
03
Root YE (ISRG)
issued by ISRG Root X2 (Internet Security Research Group)
04
ISRG Root X2 (Internet Security Research Group)
issued by ISRG Root X1 (Internet Security Research Group)
05
ISRG Root X1 (Internet Security Research Group)
root

Fingerprint

SHA-256: 0B:8D:DF:9C:4B:E0:59:A2:C3:09:03:FC:A2:55:A6:02:60:1E:FE:0F:8D:A2:E4:AF:E4:4A:80:0F:92:7F:19:D6
Serial number: 067D2B0B00DAA4E52619395A235F6793F4BF

www.studentportal.chalmers.se